Pith Number

pith:NF5OQRVC

pith:2017:NF5OQRVCVY7H55RQ36BM6P6XEB

not attested not anchored not stored refs pending

Facial Feature Tracking under Varying Facial Expressions and Face Poses based on Restricted Boltzmann Machines

Qiang Ji, Yue Wu, Zuoguan Wang

arxiv:1709.05731 v1 · 2017-09-18 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NF5OQRVCVY7H55RQ36BM6P6XEB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:34:59.612729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697ae846a2ae3e7ef630df82cf3fd720703ab558db4249896386880d119a55b2

Aliases

arxiv: 1709.05731 · arxiv_version: 1709.05731v1 · doi: 10.48550/arxiv.1709.05731 · pith_short_12: NF5OQRVCVY7H · pith_short_16: NF5OQRVCVY7H55RQ · pith_short_8: NF5OQRVC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NF5OQRVCVY7H55RQ36BM6P6XEB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 697ae846a2ae3e7ef630df82cf3fd720703ab558db4249896386880d119a55b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4ae0bb979e89d2603e869aed69759b60845814cdac5c6e2b846080e3c76b603",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-18T00:11:25Z",
    "title_canon_sha256": "a2bce5ce441c21c7dad216e84d3f0b56a445b7ea3909b94028ac208ea965ecb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05731",
    "kind": "arxiv",
    "version": 1
  }
}